727678 has 8 divisors (see below), whose sum is σ = 1247472. Its totient is φ = 311856.

The previous prime is 727673. The next prime is 727691. The reversal of 727678 is 876727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25975 + ... + 26002.

It is an arithmetic number, because the mean of its divisors is an integer number (155934).

2⁷²⁷⁶⁷⁸ is an apocalyptic number.

727678 is a deficient number, since it is larger than the sum of its proper divisors (519794).

727678 is a wasteful number, since it uses less digits than its factorization.

727678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51986.

The product of its digits is 32928, while the sum is 37.

The square root of 727678 is about 853.0404445277. The cubic root of 727678 is about 89.9455637889.

It can be divided in two parts, 72 and 7678, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 727678 in words is "seven hundred twenty-seven thousand, six hundred seventy-eight".